<template>
    <layout-box one="商品管理" two="商品列表">
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="getAddGoods">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 商品表格区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称" ></el-table-column>
        <el-table-column prop="goods_price" label="商品价格(元)" width="120px"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="80px"></el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="180px">
            <template slot-scope="scope">
                {{scope.row.add_time|formatDate}}
            </template>
        </el-table-column>
        <el-table-column label="操作" width="120px">
          <template slot-scope="scope">
                <el-button class="el-icon-edit" type="primary" size="mini"></el-button>
                <el-button class="el-icon-delete" type="danger" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
       <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[20, 50, 100, 200]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
    </layout-box>
  </div>
</template>

<script>
import { totalmem } from "os";
export default {
  data() {
    return {
      // 查询参数对象
      queryInfo: {
        query: "",
        pagenum: 1,
        pagesize: 20
      },
      goodsList: [],
      total: 0
    }
  },
  created() {
    this.getGoodsList();
  },
  methods: {
    //获取商品列表
    async getGoodsList() {
      const { data: res } = await this.$http.get("goods", {
        params: this.queryInfo
      });
      if (res.meta.status != 200) {
        return this.$Message.error("获取商品列表失败！");
      }
      console.log(res.data);
      this.goodsList = res.data.goods;
      this.total = res.data.total;
    },
    // 记录页码的变化
    handleSizeChange(newSize){
        this.queryInfo.pagesize = newSize
        this.getGoodsList()
    },
    // 显示页码值改变的事件
    handleCurrentChange(newPage) {
        this.queryInfo.pagenum = newPage;
        this.getGoodsList();
    },
    // 删除商品
    async removeById(id){
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
          if(confirmResult!="confirm"){
            return this.$Message.info("取消了删除!")
          }
          const {data:res} = await this.$http.delete(`goods/${id}`)
          if(res.meta.status!=200){
            return this.$Message.err("删除商品失败!")
          }
          this.$Message.success("删除商品成功!")
          this.getGoodsList()
    },
    //添加商品
    getAddGoods(){
      this.$router.push("/goods/add")
    }
  },

};
</script>

<style lang='less' scoped>
</style>
